The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 07, 1999

Filed:

Aug. 11, 1997
Applicant:
Inventor:

Philippe Cahen, Paris, FR;

Assignee:

Sarl 'OPTOS-OPUS', Paris, FR;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41B / ;
U.S. Cl.
CPC ...
249160 ; 249163 ; 249168 ; 425394 ; 99432 ;
Abstract

A mold assembly including an outer mold and an associated inner mold, the inner mold being organized to engage in the outer mold, the outer mold having a curved main portion with a central opening and an outer rim extending in a plane, and the inner mold having a curved main portion with a central chimney shaped to pass with small clearance through the opening and an outer rim which, when the molds are mutually engaged, is coplanar with the outer rim of the outer mold and co-operates therewith to close the molding space defined between the curved portions.


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